Launch Nvidia control panel, press Manage 3D settings and set settings like this:
- Ambient Occlusion:
off
- Anistropic Filtering:
off
- Antialiasing - FXAA:
off
- Antialiasing - Gamma correction:
off
- Antialiasing - Mode:
off
- Antialiasing - Setting:
off
- Antialiasing - Transparency:
off
- CUDA - GPUS:
all
- Maximum pre-rendered frames:
1
- Multi-display/mixed- GPU acceleration:
Single display performance mode
- Power management mode:
prefer maximum performance
- Shader Cache:
on
(OFF when your hard drive is slow) - Texture Filtering - Anistropic sample optimisation:
on
- Texture filtering - Negative LOD bias:
allow
- Texture filtering -
Quality:
high performance` - Texture filtering - Trilinear Optimisation:
on
- Threaded optimisation:
on
- Triple Buffering:
off
- Vertical Sync:
off
- Virtual Reality pre-rendered frames:
1